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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exponent Prime Factor Digits Year
16144223322884478 ~1987
16144259322885198 ~1987
16144451322889038 ~1987
16145099322901998 ~1987
16145303322906078 ~1987
161453172583250739 ~1989
16145341968720478 ~1988
16145351322907038 ~1987
161454111291632899 ~1989
16145681968740878 ~1988
16145963322919278 ~1987
16146671322933438 ~1987
161467911291743299 ~1989
16147259322945198 ~1987
161477599365700239 ~1991
161478111291824899 ~1989
16148003322960078 ~1987
16148063322961278 ~1987
16148617103351148910 ~1991
16149071322981438 ~1987
16149251322985038 ~1987
16149431322988638 ~1987
16150031323000638 ~1987
16150661969039678 ~1988
16150691323013838 ~1987
Exponent Prime Factor Digits Year
16151123323022478 ~1987
161512971292103779 ~1989
16151483323029678 ~1987
16151677113061739110 ~1991
161516991292135939 ~1989
16152001969120078 ~1988
16152179323043598 ~1987
16152551323051038 ~1987
16152599323051998 ~1987
16152611323052238 ~1987
16152841969170478 ~1988
16152959323059198 ~1987
16153271323065438 ~1987
161533071292264579 ~1989
16153523323070478 ~1987
16153937969236238 ~1988
16154051323081038 ~1987
16154513969270798 ~1988
16154639323092798 ~1987
161547591292380739 ~1989
16155299323105998 ~1987
16155311323106238 ~1987
16156463323129278 ~1987
16156937969416238 ~1988
16157243323144878 ~1987
Exponent Prime Factor Digits Year
16157579323151598 ~1987
16157639323152798 ~1987
161582991292663939 ~1989
16158563323171278 ~1987
16159079323181598 ~1987
161592172262290399 ~1989
161594572262323999 ~1989
16159691323193838 ~1987
161598072585569139 ~1990
161605674201747439 ~1990
16160723323214478 ~1987
16161023323220478 ~1987
16161311323226238 ~1987
16161779323235598 ~1987
161617971292943779 ~1989
16162379323247598 ~1987
16162633969757998 ~1988
16162823323256478 ~1987
16163051323261038 ~1987
16163111323262238 ~1987
161632392909383039 ~1990
16163639323272798 ~1987
16163681969820878 ~1988
16163891323277838 ~1987
161640071616400719 ~1989
Exponent Prime Factor Digits Year
16164119323282398 ~1987
16164503129316024110 ~1991
161649711293197699 ~1989
16165139323302798 ~1987
161658432586534899 ~1990
161659491293275939 ~1989
16166123323322478 ~1987
16166291323325838 ~1987
16166459323329198 ~1987
16166471323329438 ~1987
16167037970022238 ~1988
161672591616725919 ~1989
161673431616734319 ~1989
16167433970045998 ~1988
16168199323363998 ~1987
16168393970103598 ~1988
161689914203937679 ~1990
16169053970143198 ~1988
16169113970146798 ~1988
16169183323383678 ~1987
16169317970159038 ~1988
16169633970177998 ~1988
16169963323399278 ~1987
16170131323402638 ~1987
161708111617081119 ~1989
1323
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25-10-20